As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FMC & CDU, FOUND FAULT CODE 75-20361 HPTACC POSITION SIGNAL IS OUT OF RANGE. ACFT GROUNDED. TROUBLESHOT FAULT CODE FOUND EEC J-9 PUSHED PIN. REF FIM 75-21, TASK 802 & 75-34-TASK 816. REPLACED NR 1 ENG EEC WITH NEW REF AMM 73-21-60 ALL TEST ACCOMP/ PASSED AS DIRECTED BY POWERPLANT TEST, REF TASK 71-00-00-800-811-F00.